To play a Dramatic Battle in SF Alpha (Vs. M. Bison as Ryu & Ken), you will first need 2 controllers. Hold both Start buttons while entering the following: On 1P side, highlight Ryu then press Up twice, release Start, press Up twice+LP. On 2P side, highlight Ken then press Up twice, release Start, press Up twice+HP.

First go to the title screen (the one that says street fighter alpha anthology). Then hold select on sfa3. After that still hold select and press x while holding select. After the game starts let go of select for 2 secons and press start. Your title screen should be blue then white. Then press start and select any battle mode. And then you will see more characters than ever like Evil Ryu.

To play as the hidden characters in Street Fighter Alpha 3, perform one of the following commands at the Character Select screen:Balrog-Highlight Karin for 1 second, move cursor to Random select (upper-left or lower-left corner for 1P, upper-right or lower-right for 2P; Cursor should be in what appears to be a blank, unaccessible area) and hold start before choosing Random select

To unlock the hidden game Street Fighter Alpha 3 Arranged, Complete Street Fighter Alpha 3's Arcade Mode once with any character. To select Alpha 3 Arranged once it is unlocked, press & hold Select while selecting SF Alpha 3 at the main game select screen.